Home / 158,246.70-218,383.02-86,625.51

Finding the Fourth Proportional to 158,246.70, 218,383.02 and 86,625.51

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Solution

The fourth proportional to 158,246.70, 218,383.02 and 86,625.51 is: 119,544.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,246.70 : 218,383.02 = 86,625.51 : x
  2. Step 2: Convert to fraction form
    158,246.70/218,383.02 = 86,625.51/x
  3. Step 3: Cross multiply
    158,246.70x = 218,383.02 × 86,625.51
  4. Step 4: Simplify right side
    158,246.70x = 18,917,540,482.84
  5. Step 5: Solve for x
    x = 18,917,540,482.84/158,246.70
  6. Step 6: Final answer
    x = 119,544.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.